EP3380377A1 - Pumpenaggregat für eine hydraulische fahrzeugbremsanlage - Google Patents
Pumpenaggregat für eine hydraulische fahrzeugbremsanlageInfo
- Publication number
- EP3380377A1 EP3380377A1 EP16770953.4A EP16770953A EP3380377A1 EP 3380377 A1 EP3380377 A1 EP 3380377A1 EP 16770953 A EP16770953 A EP 16770953A EP 3380377 A1 EP3380377 A1 EP 3380377A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic
- pump unit
- pump
- electric motor
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/14—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
- B60T13/145—Master cylinder integrated or hydraulically coupled with booster
- B60T13/146—Part of the system directly actuated by booster pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/12—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid
- B60T13/16—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/745—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on a hydraulic system, e.g. a master cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/171—Detecting parameters used in the regulation; Measuring values used in the regulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/58—Combined or convertible systems
- B60T13/62—Combined or convertible systems both straight and automatic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/10—ABS control systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/20—ASR control systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/30—ESP control system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/81—Braking systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/22—Other positive-displacement pumps of reciprocating-piston type
Definitions
- the invention relates to a pump unit for a hydraulic vehicle brake system having the features of the preamble of claim 1.
- the pump unit is in particular for generating a brake pressure for actuating a hydraulic power-operated vehicle brake system with external force and / or for generating a brake pressure or ., Provided for the promotion of brake fluid for a slip control of a hydraulic vehicle brake system.
- ABS Slip control systems such as anti-lock, traction slip and vehicle dynamics control or electronic stability programs, for which the abbreviations ABS,
- ASR, FDR and ESP are known for hydraulic vehicle brake systems.
- wheel brake pressures in wheel brake cylinders of wheel brakes of hydraulic vehicle brake systems are regulated with brake pressure build-up and -absage valves, which are also referred to as intake and exhaust valves.
- brake pressure build-up and -absage valves which are also referred to as intake and exhaust valves.
- intake and exhaust valves For wheel-individual pressure control, each wheel brake cylinder is on
- a brake pressure is generated with muscle or auxiliary power by means of a master brake cylinder, which may have a brake booster, and / or with external power by means of a hydraulic pump, which is drivable with an electric motor.
- a master brake cylinder which may have a brake booster, and / or with external power by means of a hydraulic pump, which is drivable with an electric motor.
- Such slip regulations are known per se and will not be explained further here. For example, reference is made to the published patent application DE 10 2006 026 872 A1.
- a hydraulic see foreign-force vehicle brake system which has a slip control of the type described above.
- a brake pressure for service braking and for a slip control is generated in this vehicle brake system with a piston-cylinder unit whose piston is driven by an electric motor via a mechanical transmission.
- a muscle-operated master cylinder serves as a setpoint generator for a brake pressure or a braking force in a service brake and as a brake pressure generator for auxiliary braking
- Hydraulic components of the vehicle brake system such as solenoid valves, check valves, piston pumps, hydraulic accumulator, damper chambers and pressure sensors, the aforementioned piston-cylinder unit and the master cylinder are housed in a hydraulic block and hydraulically interconnected by a bore of the hydraulic block. On the hydraulic block and electric motors for driving the piston pumps and the piston-cylinder unit are mounted.
- a hydraulic block is not a mandatory part of the present invention, but feature of preferred embodiments.
- the pump unit according to the invention with the features of the preamble of claim 1 is provided for a hydraulic, slip-controlled and / or foreign-powered vehicle brake system and serves to generate a brake pressure and / or to promote brake fluid.
- the pump unit has an electric motor and a hydraulic pump that can be driven by the electric motor.
- the hydraulic pump may comprise a piston-cylinder unit or consist of a piston-cylinder unit.
- a gear pump as a hydraulic pump is also possible.
- one or more transmissions may be present via which the electric motor drives the hydraulic pump.
- the transmission may include a reduction gear which reduces one speed and one torque.
- the transmission may comprise a helical gear or other gear which converts a rotary drive movement of the electric motor into a displacement to a reciprocating drive of a piston in a cylinder (or vice versa) of the hydraulic pump or a piston-cylinder unit.
- the pump unit has a liquid sensor for determining from the hydraulic pump or also from other hydraulic components exiting brake fluid.
- the liquid sensor allows a Detecting leaking brake fluid before the brake fluid, for example, an electronics for controlling or regulating a brake pressure or a braking force and / or a slip control affected or put out of function or gets into the electric motor.
- the determination of leaked brake fluid for example, by a resistance measurement on a
- FIGURE shows a circuit diagram of a pump unit according to the invention.
- the pump unit 1 has an electric motor 2, a gearbox 3 and a piston-cylinder unit 4 as a hydraulic pump 10, which can be driven by the electric motor 2 via the gearbox 3.
- the transmission 3 has a planetary gear 5 and a helical gear 6.
- the planetary gear 5 is housed in a housing 7 of the electric motor 2 and serves as a reduction gear, which sets a speed of the electric motor 2 and a torque of the electric motor 2 translated.
- the electric motor 2 drives the helical gear 6, which may be performed, for example, as a ball screw.
- the helical gear 6 converts a rotational movement of the planetary gear 5 into a displacement and drives one
- Piston 8 of the piston-cylinder unit 4 to an axially in a cylinder 9 of the piston-cylinder unit 4 reciprocating stroke movement.
- the helical gear 6 can therefore generally be understood as a converter or conversion gear that converts a rotational movement in a shift.
- the reciprocating stroke movement of the piston 8 in the cylinder 9 displaces and draws alternately brake fluid off and into the cylinder 9, whereby a Brake pressure generated and / or brake fluid is conveyed, as it is known from piston pumps.
- the piston-cylinder unit 9 can therefore be regarded as a piston pump and generally as a hydraulic pump 10.
- the piston-cylinder unit 9 forms a pump unit 11 for generating brake pressure for service braking with a hydraulic power-operated vehicle brake system 12 with external power.
- the pump unit 1 1 is used for brake pressure generation and / or to promote brake fluid to a slip control with the hydraulic vehicle brake system 12th
- the pump unit 11 is mounted on or in a hydraulic block 13 which serves a mechanical attachment and a hydraulic connection of hydraulic components 14 of a brake force control.
- hydraulic components 14 are except the pump unit 1 1 solenoid valves, check valves, hydraulic accumulator and damper chambers, which are shown symbolically in the drawing by a solenoid valve.
- Hydraulic wheel brakes 15 are connected to the hydraulic block 13 and their wheel brake pressures can be controlled individually with the hydraulic components 14.
- a muscle power operable master cylinder 16 is arranged in the hydraulic block 13, which serves for auxiliary braking in the event of failure of the pump unit 1 1.
- a service brake is as I said by external force, the
- Brake pressure for a service brake is generated with the pump unit 11.
- the master cylinder 16 is used for a service brake only as a setpoint generator for a brake pressure, which is controlled or regulated with the hydraulic components 14.
- a slip control also takes place with the hydraulic components 14, with which a wheel-specific brake pressure control is possible.
- slip controls are, for example, an anti-lock control, a traction control, a vehicle dynamics control and / or an electronic stability program, for which the abbreviations ABS, ASR, FDR and ESP are common.
- Such slip control and braking force controls for service braking with external power are known per se and will not be explained in detail here.
- hydraulic blocks 13 of hydraulic power and / or slip-controlled vehicle brake systems are known.
- the hydraulic blocks 13 are typically flat, block-shaped metal blocks, usually made of an aluminum alloy whose thickness is approximately 1/4 to 1/3 of a width or length.
- the hydraulic blocks 13 have stepped or ungraded blind holes and / or through holes for receiving the hydraulic components 14, the master cylinder 16 and the piston-cylinder unit 4, which are hydraulically interconnected by a bore of the hydraulic block 13.
- the hydraulic block 13 may also have a dual-circuit or multi-circuit master cylinder (not shown).
- the hydraulic block 13 has an electronic control unit 18, which can also be understood as an electronic control unit.
- the electronic control 18 controls or regulates the hydraulic components 14 and the pump unit 1 1, wherein a wheel-individual braking force and brake pressure control is possible.
- the hydraulic block 13 has a mandatory or at least a planned mounting position in which the electronic control unit 18 is located below the piston-cylinder
- the electronic control unit 18 located under the transmission 3 and / or under the electric motor 2.
- the electronic control unit 18 has a liquid sensor 19, with the unintentionally emerging from the piston-cylinder unit 4 brake fluid is detected before it enters the electric motor 2. Measured example, an electrical resistance between two points on a circuit board of the electronic control unit 18, which is electrically conductive by any brake fluid. The amount of brake fluid is so small that a function of the electronics is not affected. Other liquid sensors 19 are possible. By means of the liquid sensor 19 can be an indication of a necessary maintenance or repair even with a small amount of the cylinder. 9 leaked brake fluid that does not affect the function of the electronic controller 18 and the electric motor 2.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015223508.4A DE102015223508A1 (de) | 2015-11-27 | 2015-11-27 | Pumpenaggregat für eine hydraulische Fahrzeugbremsanlage |
PCT/EP2016/073076 WO2017089008A1 (de) | 2015-11-27 | 2016-09-28 | Pumpenaggregat für eine hydraulische fahrzeugbremsanlage |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3380377A1 true EP3380377A1 (de) | 2018-10-03 |
Family
ID=57003518
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16770953.4A Withdrawn EP3380377A1 (de) | 2015-11-27 | 2016-09-28 | Pumpenaggregat für eine hydraulische fahrzeugbremsanlage |
Country Status (7)
Country | Link |
---|---|
US (1) | US10875513B2 (de) |
EP (1) | EP3380377A1 (de) |
JP (1) | JP2018533521A (de) |
KR (1) | KR102638614B1 (de) |
CN (1) | CN108349482B (de) |
DE (1) | DE102015223508A1 (de) |
WO (1) | WO2017089008A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3621860A4 (de) * | 2017-05-12 | 2020-10-21 | Magna International Inc. | Drahtbremse |
DE102017214859A1 (de) * | 2017-08-24 | 2019-02-28 | Robert Bosch Gmbh | Kolbenpumpenaggregat für eine hydraulische Fahrzeugbremsanlage |
DE102019205906A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger mit einem Getriebe, Verfahren zum Herstellen eines Getriebes eines elektromechanischen Bremsdruckerzeugers und Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger |
DE102019205893A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger mit einer Gewindetriebanordnung und Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger |
DE102019205975A1 (de) * | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanisch antreibbarer Bremsdruckerzeuger für ein hydraulisches Bremssystem eines Fahrzeuges sowie Fahrzeug, umfassend einen elektromechanischen Bremsdruckerzeuger |
DE102019205979A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger für ein hydraulisches Bremssystem eines Fahrzeugs sowie Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger |
DE102019205911A1 (de) | 2019-04-25 | 2020-10-29 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger mit einer Gewindetriebanordnung und Fahrzeug umfassend einen elektromechanischen Bremsdruckerzeuger |
DE102019210669B3 (de) * | 2019-07-18 | 2021-01-21 | Robert Bosch Gmbh | Elektromechanischer Bremsdruckerzeuger oder Bremsdruckverstärker mit einer Gewindetriebanordnung |
DE102019217551A1 (de) * | 2019-11-14 | 2021-05-20 | Robert Bosch Gmbh | Elektromechanisch antreibbarer Bremsdruckerzeuger |
DE102019218481A1 (de) * | 2019-11-28 | 2021-06-02 | Robert Bosch Gmbh | Hydraulikblock für ein Hydraulikaggregat einer hydraulischen Fremdkraft-Fahrzeugbremsanlage |
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2015
- 2015-11-27 DE DE102015223508.4A patent/DE102015223508A1/de active Pending
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2016
- 2016-09-28 WO PCT/EP2016/073076 patent/WO2017089008A1/de active Application Filing
- 2016-09-28 US US15/778,136 patent/US10875513B2/en active Active
- 2016-09-28 KR KR1020187018007A patent/KR102638614B1/ko active IP Right Grant
- 2016-09-28 JP JP2018523465A patent/JP2018533521A/ja active Pending
- 2016-09-28 CN CN201680069495.0A patent/CN108349482B/zh active Active
- 2016-09-28 EP EP16770953.4A patent/EP3380377A1/de not_active Withdrawn
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DE102015223508A1 (de) | 2017-06-01 |
JP2018533521A (ja) | 2018-11-15 |
CN108349482A (zh) | 2018-07-31 |
WO2017089008A1 (de) | 2017-06-01 |
US10875513B2 (en) | 2020-12-29 |
US20180326959A1 (en) | 2018-11-15 |
KR102638614B1 (ko) | 2024-02-21 |
CN108349482B (zh) | 2021-06-29 |
KR20180086491A (ko) | 2018-07-31 |
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